Add 20/56 and 5/54
20/56 + 5/54 is 85/189.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 54 is 1512
Next, find the equivalent fraction of both fractional numbers with denominator 1512 - For the 1st fraction, since 56 × 27 = 1512,
20/56 = 20 × 27/56 × 27 = 540/1512 - Likewise, for the 2nd fraction, since 54 × 28 = 1512,
5/54 = 5 × 28/54 × 28 = 140/1512 - Add the two like fractions:
540/1512 + 140/1512 = 540 + 140/1512 = 680/1512 - 680/1512 simplified gives 85/189
- So, 20/56 + 5/54 = 85/189
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/56+5/54 20/56+10/54 60/56+5/54 20/56+15/54 20/56+25/54 20/56+35/54